ASTM-D5670 2009

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D5670-95(2009) Standard Test Method for Rubber-Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry

Published By	Publication Date	Number of Pages
ASTM	2009	5

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Category: ASTM

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Description

1.1 This test method covers the percentage of residual unsaturation (double bonds in unhydrogenated butadiene) in hydrogenated nitrile rubber and is based on infrared examination of rubber films cast from solution.

1.2 This test method is applicable to all grades of hydrogenated nitrile rubber in the raw state.

1.3 This test method assumes that specimens and infrared spectra are prepared and analyzed by experienced personnel and that the equipment is operated according to the manufacturer’s direction for optimum performance. No details for operation of infrared spectrophotometers are included in this test method.

1.4 Since it is customary in infrared spectrophotometry to use wavenumbers (cm ^{? 1} ) rather than Hertz (Hz), the unit for frequency in the SI system, the former is employed throughout this test method.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use Apparatus
2	Reagents Procedure
3	Limitation Report Precision and Bias Keywords TABLE 1
4	X1. EXAMPLE X1.1 X1.2 TABLE X1.1 FIG. X1.1
5	FIG. X1.2

Additional information

Standard Title	D5670-95(2009) Standard Test Method for Rubber-Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Infrared Spectrophotometry
Published Code	ASTM
Publication Date	2009
Pages Count	5

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ASTM-D5670 2009

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